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06-07-2014, 03:47 PM
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Join Date: Jul 2009
Location: High Wycombe, UK
Posts: 288
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Back in my gliding days we used:
CB SIFT CB
Controls
Ballast
Straps
Instruments
Flaps
Trim
Canopy
Brakes
It sort of translates for powered flying machines using ballast to equal any of the ballast on board - passenger, baggage and fuel.
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Jerry Parr
England
Ex RV-12
Loving Rotax....
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06-07-2014, 06:05 PM
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Join Date: Apr 2008
Location: Davenport, IA
Posts: 1,390
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You indeed Irishmen, are SPECIAL!! LOL!
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06-08-2014, 04:22 AM
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Join Date: May 2013
Location: Westerville, OH
Posts: 155
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Quote:
Originally Posted by rvbuilder2002
... The reason for the system being offered is the unacceptably high level of crashes that resulted from the pilot taking off with the canopy unlatched or not properly/fully latched. ...
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Just out of academic curiosity, what are the flight characteristics (or lack thereof) with trying to fly with the canopy unlatched?
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David B. Hill
N76012
RV-12 #0760
Dues paid through 6-2021
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06-08-2014, 04:33 AM
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Join Date: Jan 2005
Location: Martinsville, IN
Posts: 2,326
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I had a situation where the canopy was not fully latched. The handle caught on the white plastic piece along the rear of the hold down clip and the handle wedged between the plastic and the aluminum clip. Looked like it was latched but it wasn't.
This became apparent with the increased wind noise after liftoff. I unlocked the canopy and tried to lock the canopy in flight but could not move the canopy aft enough to get it to fully latch. I simply landed and fixed it.
The canopy will not open in flight but it will not move much either. The noise and wind is very noticeable but shouldn't distract you from flying the airplane. The handling was not changed as far as I could tell.
I like the idea of the switch and will add it soon.
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Randy Pflanzer
Greenwood, IN
www.pflanzer-aviation.com
Paid through 2043!
Lund fishing Boat, 2017, GONE FISHING
RV-12 - Completed 2014, Sold
427 Shelby Cobra - Completed 2012, Sold
F1 EVO - partially completed, Sold
F1 Rocket - Completed 2005, Sold
RV-7A - Partially completed, Sold
RV-6 - Completed 2000, Sold
Long-EZ - Completed 1987, Sold
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06-08-2014, 08:12 AM
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Join Date: Jul 2010
Location: SF Bay Area
Posts: 247
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It must be very quiet with the canopy closed for their to be a noticeable difference once it's open. In the 152 you can't tell when a door pops open - it's always like riding a motorcycle at 100mph in that plane.
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http://jimsrv.blogspot.com
PP - ASEL
Instrument Rating
A&P/IA Rotax iRMT 9 Series Maintenance
EAA Technical Counselor
RV12 Flying.
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06-08-2014, 12:01 PM
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Join Date: Feb 2010
Location: Perth, Western Australia
Posts: 1,647
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I find the 152 is quieter with the door open. 
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rgmwa
RV-12LR 912ULS
120346
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06-08-2014, 12:54 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by dbhill916
Just out of academic curiosity, what are the flight characteristics (or lack thereof) with trying to fly with the canopy unlatched?
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A recent Kitplanes issue has a story of a first flight with an unlatched canopy
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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06-10-2014, 07:19 AM
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Join Date: Jan 2005
Posts: 963
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I just received the kit yesterday. I'm not at the point where I'll be mounting it yet but as long as I needed to put in an order for some stuff I thought I'd get it.
Here's a picture of what's in the kit.
Bob

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Bob Hassel
NM
Subscription Paid for 2020
Home is where the hanger is...
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06-10-2014, 08:01 AM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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It all makes sense - except for the tubing. What is that for?
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06-10-2014, 08:43 AM
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Join Date: Mar 2009
Location: Austin, Texas
Posts: 306
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Curiouser and curiouser
Someone stated earlier that it looked like you could liberate one of the wires for the cablin light, such that there would be no need to string another wire...if that's the case, it looks like this kit is made for those without the lighting option... If a new dedicated wire needs to be strung...ugh. AND it looks like you replace the latch and the UHMW...I'm awaiting arrival also so I can see what's involved. We have had one (uneventful) case of canopy-unlatched takeoff and go-around, so this seems a reasonably helpful fix.
Ah--just saw the Notification with all the instructions on Van's website--answers most all the questions...ugh still....
__________________
Rob Reese
RV-12 #120332 N73HR
Austin, TX
TangoFlight Mentor
Last edited by engineerofsorts : 06-10-2014 at 09:06 AM.
Reason: Questions anwered via Van's website
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